1 0 Surface data - land 0 Hourly synoptic observations from fixed-land stations (SYNOP) Operational 2 0 Surface data - land 1 Intermediate synoptic observations from fixed-land stations (SYNOP) Operational 3 0 Surface data - land 2 Main synoptic observations from fixed-land stations (SYNOP) Operational 4 0 Surface data - land 3 Hourly synoptic observations from mobile-land stations (SYNOP MOBIL) Operational 5 0 Surface data - land 4 Intermediate synoptic observations from mobile-land stations (SYNOP MOBIL) Operational 6 0 Surface data - land 5 Main synoptic observations from mobile-land stations (SYNOP MOBIL) Operational 7 0 Surface data - land 6 One-hour observations from automated stations Operational 8 0 Surface data - land 7 n-minute observations from AWS stations Operational 9 0 Surface data - land 8 Radiation observations from one-hour period Operational 10 0 Surface data - land 9 Radiation observations from n-minute period Operational 11 0 Surface data - land 10 Routine aeronautical observations (METAR) Operational 12 0 Surface data - land 11 Special aeronautical observations (SPECI) Operational 13 0 Surface data - land 14 Ground-based GPS humidity observations (GPSIWV) Operational 14 0 Surface data - land 20 Climatological observations (CLIMAT) Operational 15 0 Surface data - land 30 Sferics locations Operational 16 0 Surface data - land 40 Hydrologic reports Operational 17 0 Surface data - land 50 Hourly synoptic observations with supplementary one-hour data Operational 18 0 Surface data - land 51 Intermediate synoptic observations with supplementary one-hour data Operational 19 0 Surface data - land 52 Main synoptic observations with supplementary one-hour data Operational 20 1 Surface data - sea 0 Synoptic observations (SHIP) Operational 21 1 Surface data - sea 6 One-hour observations from automated stations Operational 22 1 Surface data - sea 7 n-minute observations from AWS stations Operational 23 1 Surface data - sea 20 Climatological observations (CLIMAT SHIP) Operational 24 1 Surface data - sea 25 Buoy observation (BUOY) Operational 25 1 Surface data - sea 30 Tide gauge Operational 26 1 Surface data - sea 31 Observed water level time series Operational 27 2 Vertical soundings (other than satellite) 1 Upper-wind reports from fixed-land stations (PILOT) Operational 28 2 Vertical soundings (other than satellite) 2 Upper-wind reports from ships (PILOT SHIP) Operational 29 2 Vertical soundings (other than satellite) 3 Upper-wind reports from mobile land stations (PILOT MOBIL) Operational 30 2 Vertical soundings (other than satellite) 4 Upper-level temperature/humidity/wind reports from fixed-land stations (TEMP) Operational 31 2 Vertical soundings (other than satellite) 5 Upper-level temperature/humidity/wind reports from ships (TEMP SHIP) Operational 32 2 Vertical soundings (other than satellite) 6 Upper-level temperature/humidity/wind report from mobile land stations (TEMP MOBIL) Operational 33 2 Vertical soundings (other than satellite) 7 Upper-level temperature/humidity/wind reports from dropwinsondes (TEMP DROP) Operational 34 2 Vertical soundings (other than satellite) 10 Wind profiler reports Operational 35 2 Vertical soundings (other than satellite) 11 RASS temperature profiles Operational 36 2 Vertical soundings (other than satellite) 14 Upper-level temperature/humidity/wind reports from descent radiosondes originally launched from fixed-land stations Operational 37 2 Vertical soundings (other than satellite) 15 Upper-level temperature/humidity/wind reports from descent radiosondes originally launched from ships Operational 38 2 Vertical soundings (other than satellite) 16 Upper-level temperature/humidity/wind reports from descent radiosondes originally launched from mobile land stations Operational 39 2 Vertical soundings (other than satellite) 20 ASDAR/ACARS profiles (AMDAR) Operational 40 2 Vertical soundings (other than satellite) 21 Profiles of atmospheric constituents concentrations Operational 41 2 Vertical soundings (other than satellite) 25 Climatological observations from fixed-land stations (CLIMAT TEMP) Operational 42 2 Vertical soundings (other than satellite) 26 Climatological observations from ships (CLIMAT TEMP SHIP) Operational 43 3 Vertical soundings (satellite) 0 Temperature (SATEM) Operational 44 3 Vertical soundings (satellite) 1 TIROS (TOVS) Operational 45 3 Vertical soundings (satellite) 2 ATOVS Operational 46 3 Vertical soundings (satellite) 3 AMSU-A Operational 47 3 Vertical soundings (satellite) 4 AMSU-B Operational 48 3 Vertical soundings (satellite) 5 HIRS Operational 49 3 Vertical soundings (satellite) 6 MHS Operational 50 3 Vertical soundings (satellite) 7 IASI Operational 51 3 Vertical soundings (satellite) 8 VASS (Vertical atmospheric sounding system) Operational 52 3 Vertical soundings (satellite) 20 IR temperature/humidity sounding Operational 53 3 Vertical soundings (satellite) 30 Hyperspectral temperature/humidity sounding Operational 54 3 Vertical soundings (satellite) 40 MW temperature/humidity sounding Operational 55 3 Vertical soundings (satellite) 50 Radio occultation sounding Operational 56 4 Single level upper-air data (other than satellite) 0 ASDAR/ACARS (AMDAR) Operational 57 4 Single level upper-air data (other than satellite) 1 Manual (AIREP, PIREP) Operational 58 5 Single level upper-air data (satellite) 0 Cloud wind data (SATOB) Operational 59 5 Single level upper-air data (satellite) 1 Cloud properties Operational 60 6 Radar data 0 Reflectivity data Operational 61 6 Radar data 1 Doppler wind profiles Operational 62 6 Radar data 2 Derived products Operational 63 6 Radar data 3 Ground radar weather (RADOB) Operational 64 7 Synoptic features 0 Forecast tropical cyclone tracks from EPS Operational 65 7 Synoptic features 1 Squall line Operational 66 8 Physical/chemical constituents 0 Surface ozone Operational 67 8 Physical/chemical constituents 1 Ozone vertical sounding Operational 68 8 Physical/chemical constituents 2 Total ozone Operational 69 8 Physical/chemical constituents 3 Acid rain Operational 70 9 Dispersal and transport 0 Trajectories, analysis or forecast Operational 71 10 Radiological data 1 Observation (RADREP) Operational 72 10 Radiological data 2 Forecast (RADOF) Operational 73 12 Surface data (satellite) 0 ERS-uwa Operational 74 12 Surface data (satellite) 1 ERS-uwi Operational 75 12 Surface data (satellite) 2 ERS-ura Operational 76 12 Surface data (satellite) 3 ERS-uat Operational 77 12 Surface data (satellite) 4 SSM/I radiometer Operational 78 12 Surface data (satellite) 5 Quikscat Operational 79 12 Surface data (satellite) 6 Surface temp./radiation (SATOB) Operational 80 12 Surface data (satellite) 7 ASCAT data Operational 81 12 Surface data (satellite) 8 Soil moisture Operational 82 12 Surface data (satellite) 9 Normalized differential vegetation index (NDVI) Operational 83 12 Surface data (satellite) 10 Normalized radar backscatter Operational 84 12 Surface data (satellite) 11 Surface emissivity Operational 85 12 Surface data (satellite) 12 Sea-surface temperature Operational 86 12 Surface data (satellite) 13 Precipitation Operational 87 21 Radiances (satellite measured) 0 Earth radiation budget Operational 88 21 Radiances (satellite measured) 5 Cross-track infrared sounder Operational 89 21 Radiances (satellite measured) 6 Advanced technology microwave sounder Operational 90 21 Radiances (satellite measured) 7 Visible/infrared imager radiometer suite Operational 91 22 Radar (satellite) but not altimeter and scatterometer 0 Cloud and precipitation radar Operational 92 22 Radar (satellite) but not altimeter and scatterometer 1 Synthetic aperture radar Operational 93 23 Lidar (satellite) 0 Lidar based missions (for wind, for cloud/aerosol, for water vapour, for altimetry) Operational 94 24 Scatterometry (satellite) 0 Wind scatterometry Operational 95 25 Altimetry (satellite) 0 Radar altimetry Operational 96 26 Spectrometry (satellite) 0 Cross nadir short-wave spectrometry (for chemistry) Operational 97 26 Spectrometry (satellite) 1 Cross nadir IR spectrometry (for chemistry) Operational 98 26 Spectrometry (satellite) 2 Limb sounding short-wave spectrometry Operational 99 26 Spectrometry (satellite) 3 Limb sounding IR spectrometry Operational 100 26 Spectrometry (satellite) 4 Limb sounding sub-millimetre wave spectrometry Operational 101 30 Calibration dataset (satellite) 0 Subsetted data Operational 102 30 Calibration dataset (satellite) 1 Collocated data Operational 103 30 Calibration dataset (satellite) 2 On-board calibration data Operational 104 30 Calibration dataset (satellite) 3 Bias monitoring Operational 105 30 Calibration dataset (satellite) 4 Near-real-time correction Operational 106 30 Calibration dataset (satellite) 5 Re-analysis correction Operational 107 31 Oceanographic data 0 Surface observation Operational 108 31 Oceanographic data 1 Surface observation along track (TRACKOB) Operational 109 31 Oceanographic data 2 Spectral wave observation (WAVEOB) Operational 110 31 Oceanographic data 3 Bathythermal observation (BATHY) Operational 111 31 Oceanographic data 4 Subsurface floats (profile) Operational 112 31 Oceanographic data 5 XBT/XCTD profiles (TESAC) Operational 113 31 Oceanographic data 6 Waves reports Operational 114 31 Oceanographic data 7 Tsunameter data Operational 115 101 Image data (satellite) 0 Multi-purpose VIS/IR imagery Operational 116 101 Image data (satellite) 1 Conical scanning MW imagery (intermediate frequencies) Operational 117 101 Image data (satellite) 2 Low frequency MW imagery Operational 118 101 Image data (satellite) 3 Ocean colour imagery Operational 119 101 Image data (satellite) 4 Imagery with special viewing geometry Operational 120 101 Image data (satellite) 5 Lightning imagery Operational 121 101 Image data (satellite) 6 High-resolution short-wave imagery for land observation Operational 122 101 Image data (satellite) 7 SMOS data Operational